peptizationn.
/pɛptʌɪˈzeɪʃn/, U.S. /ˌpɛptəˈzeɪʃ(ə)n/, /ˌpɛpˌtaɪˈzeɪʃ(ə)n/ Chemistry.
The conversion of a solid or semi-solid colloid into a sol by chemical means.
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peptization1864
1864 T. Graham in Proc. Royal Soc. 13 340 Liquid silicic acid may be represented as the ‘peptone’ of gelatinous silicic acid; and the liquefaction of the latter by a trace of alkali may be spoken of as the peptization of the jelly.
1920 Amer. Jrnl. Bot. 7 274 There is evidence that the two different catalases are different degrees of peptisation of the same substance.
1963 D. W. Humphries & E. E. Humphries tr. H. Termier & G. Termier Erosion & Sedimentation vi. 135 The peptization of colloidal ferric hydroxide [in the soil] occurs at pH 6·6.
1998 Ultrasonics-Sonochem. 5 79 The boehmite sol was obtained by peptization of a poorly crystallized..precipitate.
This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022).
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n.1864